#include "mainwindow.h"
#include "ui_mainwindow.h"
#include<QColorDialog>
#include<QDebug>

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
{
    ui->setupUi(this);
}

MainWindow::~MainWindow()
{
    delete ui;
}


void MainWindow::on_pushButton_clicked()
{
   QColor color = QColorDialog::getColor(QColor(0,255,0),this,"选择颜色");
    qDebug()<<color;

    //基于用户选择的颜色，修改窗口的背景色
//    QString style = "background-color:rgb("+QString::number(color.red())+","+QString::number(color.green())
//           +"," + QString::number(color.blue())+");";
//      this->setStyleSheet(style);
    char style[1204] = {0};
    sprintf(style,"background-color: rgb(%d, %d, %d);",color.red(),color.green(),color.blue());
    this->setStyleSheet(style);
}
